/*
 * 变量演示
 */

#include <stdio.h>

int main() {
	int num = 0, num1 = 0;  //变量声明语句
	num = 4;  //赋值语句
	num = 4 + 7;
	printf("num=%d\n", num);
	printf("num1=%d\n", num1);
	num = num;
	return 0;
}
